MORMYRUS. 



137 



poinled lobes, densely scaled. Caudal peduncle 1J to 2 times as long as 

 deep, f to \ length of head. 100-130 scales in lateral line, ^~ in 

 transverse series on body, 38-45 in transverse series between dorsal and 

 anal, 26 to 30 round caudal peduncle. Olive above, whitish below. 



Total length 520 millim. 



Lower Nile to Bahr-el-Gebel. 



l'fc. 113. 





Mormyrus cascltive. 

 Khartum (¥. Hi.). \. 



1—3, 4. (Types of 



Lower Nile. 



M. longipinnis.) 





5-6. Hgr. & yg. 



i> 



7-9. Hgr. & yg. 



Nile at Cairo. 



10, 11. Ad. & hgr. 



Nile near Cairo. 



12. Ad. 



Beni Souef, Lower Nile. 



13-14. Ad. & hgr. 



Between Beni Souef and Biba. 



15. Skel. 



5! ;3 



16. Ad. 



Biba, Lower Nile. 



17. Hgr. 



Lahun, Babr-el-Yusef. 



18-21. Yg. 



Near Luxor. 



22-23. Ad. 



Khartum. 



24. Hgr. 



Nur-ed-Daim, White Nile. 



25-28. Hgr. 



Fashoda, White Nile. 



29. Ad. 



Mouth of Lake No, White Nile 



Dr. Riippell (C). 



Capt. S. Flower (P.). 

 L. Loat, Esq. (C). 



J. Petherick, Esq. (,C). 

 L. Loat, Esq. (C). 



10. MORMYRUS NILOTICUS. 



Centriscus niloticus, Bloch-Sohneid. Syst. p. 113, pi. xxx. fig. 1 (1801). 

 Mormyrus geoffrjyi, Cuv. & Val. Hist. Poiss. xix. p. 240 (1846). 

 Mormyrus niloticus. Bouleng. Proc. Zool. Soc. 1898, p. 816, and Fish. Nile, p. 68, 

 pi. xi. fig. 2 (1907). 



Depth of body less than the length of head, 4^ to of times in total 

 length. Head about once and f as long as deep; snout nearly as long 



